<template>
  <div class="top-right-btn">
    <el-row>
      <el-tooltip class="item" effect="dark" :content="showSearch ? '隐藏搜索' : '显示搜索'" placement="top">
        <el-button size="mini" circle icon="el-icon-search" @click="toggleSearchStatus()" />
      </el-tooltip>
      <el-tooltip class="item" effect="dark" content="刷新" placement="top">
        <el-button size="mini" circle icon="el-icon-refresh" @click="refresh()" />
      </el-tooltip>
      <el-tooltip v-if="columns" class="item" effect="dark" content="显隐列" placement="top">
        <el-button size="mini" circle icon="el-icon-menu" @click="showColumn()" />
      </el-tooltip>
    </el-row>
    <right-panel :show="open" :width="420" :buttonTop="50" @close="hideColumn" style="vertical-align: center">
      <el-transfer
        :titles="['显示', '隐藏']"
        v-model="value"
        :data="columns"
        @change="dataChange"
      ></el-transfer>
    </right-panel>
  </div>
</template>
<script>
import RightPanel from '@/components/RightPanel'

export default {
  name: "RightToolbar",
  components: {
    RightPanel
  },
  data() {
    return {
      // 显隐数据
      value: [],
      // 弹出层标题
      title: "显示/隐藏",
      // 是否显示弹出层
      open: false
    }
  },
  props: {
    showSearch: {
      type: Boolean,
      default: true,
    },
    columns: {
      type: Array
    },
  },
  created() {
    // 显隐列初始默认隐藏列
    for (let item in this.columns) {
      if (this.columns[item].visible === false) {
        this.value.push(parseInt(item))
      }
    }
  },
  methods: {
    // 搜索
    toggleSearchStatus() {
      this.$emit('update:showSearch', !this.showSearch)
    },
    // 刷新
    refresh() {
      this.$emit('refresh')
    },
    // 右侧列表元素变化
    dataChange(data) {
      for (let item in this.columns) {
        const key = this.columns[item].key
        this.columns[item].visible = !data.includes(key)
      }
    },
    // 打开显隐列dialog
    showColumn() {
      this.open = true
    },
    hideColumn() {
      this.open = false
    }
  }
}
</script>

<style lang="scss" scoped>
::v-deep el-transfer {
  display: inline-flex;
  height: fit-content;
}
::v-deep .el-transfer__button:first-child {
  margin-bottom: 10px;
}
::v-deep .el-transfer__buttons {
  margin: 0 3px !important;
  padding: 0 !important;
}
::v-deep .el-transfer-panel {
  width: 150px !important;
  height: fit-content;
}
::v-deep .el-transfer-panel__body {
  height: 80vh !important;
  .el-transfer-panel__list{
    height: 100%;
  }
}
</style>
